Project Engineer Internship

2 weeks ago

La Crosse, WI, United States J.F. Brennan Full time

As a Project Engineer Intern in our Marine Construction Groups, you will gain hands-on experience supporting the planning and execution of heavy civil and marine projects. This is a Summer 2026 internship or 6-month co-op opportunity that requires 100% travel to project sites across the United States, giving you a front-row seat to complex construction operations.

You'll learn directly from experienced project engineers, superintendents, and managers while working on projects such as:

  • Dam construction
  • Railroad bridge projects
  • Inland barge terminal and dock construction
  • Coastal port facility improvements
What you'll learn & do:
  • Assist with project administration, scheduling, and documentation.
  • Support contract management, change orders, and reporting.
  • Participate in field surveying, layout, and quality control activities.
  • Gain exposure to estimating, cost tracking, and project management software.
  • Learn Brennan's approach to safety, efficiency, and collaboration.
What we're looking for:
  • Pursuing a degree in Civil Engineer, Construction Management or related field.
  • Interest in heavy civil/marine construction
  • Willingness to travel nationwide and work in the field
  • Excellent verbal and written communication skills
  • Proficient in Microsoft Office, on computers and other electronic devices
  • Strong interpersonal skills; must be a self-starter, highly organized, and creative
  • Superior time management and organizational capabilities, including the ability to accurately benchmark project length, deliver on deadlines
Who is Brennan?

J.F. Brennan Company, Inc. (Brennan) is a 100-year-old, family-owned company that specializes in water-based environmental remediation and marine construction headquartered in La Crosse, WI that offers our employees growth, challenging work, empowerment, and meaningful work. Brennan is known for tackling complex maritime projects, providing unique solutions through teamwork and collaboration, and maintaining a family-orientated culture.

Why choose us?
  • We are a company voted by our employees as a certified Great Place to Work®, and recognized by Fortune magazine as a Best Workplace in Construction.
  • Our culture sets us apart. We strive to make our company the best possible place to work. We work hard to continue to build a culture in which every individual is important and the key to our success.
  • Our focus on safetyand quality is unmatched in the industry, and our ability to innovate has enabled us to succeed.
  • We are a family-focused company and are determined to provide a rewarding career that offers above-average compensation.
  • We offer an industry-leading benefits package. We are proud to offer our employees and their families group health, dental and vision insurance plans, 401(K) program with generous matching, annual bonus eligibility and profit-sharing program.

J.F. Brennan Company, Inc. is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other characteristic protected by law.

Notice to Staffing Agencies

J.F. Brennan Company Inc. ("Brennan") and its subsidiaries will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Brennan, including unsolicited resumes sent to a Brennan mailing address, fax machine or email address, directly to Brennan employees, or to Brennan's resume database will be considered Brennan property. Brennan will NOT pay a fee for any placement resulting from the receipt of an unsolicited resume. Brennan will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. Agencies must obtain advance written approval from Brennan's recruiting function to submit resumes, and then only in conjunction with a valid fully executed contract for service and in response to a specific job opening. Brennan will not pay a fee to any Agency that does not have such an agreement in place. Agency agreements will only be valid if in writing and signed by Brennan's Chief Human Resources Officer or his/her designee. No other Brennan employee is authorized to bind Brennan to any agreement regarding the placement of candidate by Agencies.

Accessibility: If you need an accommodation as part of the employment process please contact Human Capital at:

Phone: 608-784-7173

Email: jobs@jfbrennan.com

Equal Opportunity Employer, including disabled and veterans.

If you want to view the Know Your Rights: Workplace Discrimination is Illegal poster and/or view the Pay Transparency Policy State please click here.

For more information on federal labor laws please click here.

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